Essl or ESSL may refer to:
Essl Social Prize The ICAO code of Linköping/Saab Airport in Linköping, Sweden European Severe Storms Laboratory, a non-profit organization dedicated to basic and applied research on severe convective storms OpenGL ES Shading Language, a shading language designed for embedded devices
People Karlheinz Essl (b. 1960), Austrian composer Georg Essl (b. 1972), Austrian computer scientist and musician Michaela Eßl (b. 1988), Austrian ski mountaineer
Association ESSL Basket-ball, a basket-ball club of a small town : Saint-Léger-aux-Bois - Oise - FRANCE